package com.example.day03.mvvm

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.databinding.DataBindingUtil
import androidx.databinding.ViewDataBinding
import androidx.fragment.app.Fragment
import androidx.lifecycle.ViewModel
import androidx.lifecycle.ViewModelProvider

abstract class BaseFragment<VDB:ViewDataBinding,VM:ViewModel>:Fragment() {
    lateinit var binding:VDB
    lateinit var viewModel:VM


    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        binding=DataBindingUtil.inflate(inflater,bindLayoutId(),container,false)
        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        viewModel=ViewModelProvider(requireActivity()).get(getViewModel())
        initView()
        initDate()
    }
    abstract fun bindLayoutId():Int
    abstract fun getViewModel():Class<VM>
    abstract fun initView()
    abstract fun initDate()
}